GNU gdb (GDB) 7.2
Copyright (C) 2010 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-unknown-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /usr/bin/Xorg...(no debugging symbols found)...done.
Attaching to program: /usr/bin/Xorg, process 3715
Reading symbols from /lib/libudev.so.0...(no debugging symbols found)...done.
Loaded symbols for /lib/libudev.so.0
Reading symbols from /lib/libgcrypt.so.11...(no debugging symbols found)...done.
Loaded symbols for /lib/libgcrypt.so.11
Reading symbols from /lib/libdl.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib/libdl.so.2
Reading symbols from /usr/lib/libpciaccess.so.0...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libpciaccess.so.0
Reading symbols from /lib/libpthread.so.0...(no debugging symbols found)...done.
[Thread debugging using libthread_db enabled]
Loaded symbols for /lib/libpthread.so.0
Reading symbols from /usr/lib/libpixman-1.so.0...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libpixman-1.so.0
Reading symbols from /usr/lib/libXfont.so.1...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libXfont.so.1
Reading symbols from /usr/lib/libXau.so.6...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libXau.so.6
Reading symbols from /usr/lib/libXdmcp.so.6...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libXdmcp.so.6
Reading symbols from /lib/libm.so.6...(no debugging symbols found)...done.
Loaded symbols for /lib/libm.so.6
Reading symbols from /lib/librt.so.1...(no debugging symbols found)...done.
Loaded symbols for /lib/librt.so.1
Reading symbols from /lib/libc.so.6...(no debugging symbols found)...done.
Loaded symbols for /lib/libc.so.6
Reading symbols from /lib/libgpg-error.so.0...(no debugging symbols found)...done.
Loaded symbols for /lib/libgpg-error.so.0
Reading symbols from /lib/ld-linux-x86-64.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib/ld-linux-x86-64.so.2
Reading symbols from /usr/lib/libfreetype.so.6...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libfreetype.so.6
Reading symbols from /usr/lib/libz.so.1...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libz.so.1
Reading symbols from /usr/lib/libfontenc.so.1...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libfontenc.so.1
Reading symbols from /usr/lib/libgcc_s.so.1...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libgcc_s.so.1
Reading symbols from /usr/lib/xorg/modules/extensions/libextmod.so...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/xorg/modules/extensions/libextmod.so
Reading symbols from /usr/lib/xorg/modules/extensions/libdbe.so...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/xorg/modules/extensions/libdbe.so
Reading symbols from /usr/lib/xorg/modules/extensions/libglx.so...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/xorg/modules/extensions/libglx.so
Reading symbols from /usr/lib/xorg/modules/extensions/librecord.so...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/xorg/modules/extensions/librecord.so
Reading symbols from /usr/lib/xorg/modules/extensions/libdri.so...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/xorg/modules/extensions/libdri.so
Reading symbols from /usr/lib/libdrm.so.2...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libdrm.so.2
Reading symbols from /usr/lib/xorg/modules/extensions/libdri2.so...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/xorg/modules/extensions/libdri2.so
Reading symbols from /usr/lib/xorg/modules/drivers/radeon_drv.so...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/xorg/modules/drivers/radeon_drv.so
Reading symbols from /usr/lib/libdrm_radeon.so.1...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libdrm_radeon.so.1
Reading symbols from /usr/lib/xorg/modules/libexa.so...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/xorg/modules/libexa.so
Reading symbols from /usr/lib/xorg/modules/libfb.so...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/xorg/modules/libfb.so
Reading symbols from /usr/lib/xorg/modules/dri/r600_dri.so...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/xorg/modules/dri/r600_dri.so
Reading symbols from /usr/lib/libexpat.so.1...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libexpat.so.1
Reading symbols from /usr/lib/libstdc++.so.6...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libstdc++.so.6
Reading symbols from /usr/lib/xorg/modules/input/evdev_drv.so...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/xorg/modules/input/evdev_drv.so
Reading symbols from /usr/lib/xorg/modules/input/synaptics_drv.so...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/xorg/modules/input/synaptics_drv.so
Reading symbols from /lib/libnss_files.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib/libnss_files.so.2
0x00007f0dfcdf15de in ?? () from /lib/libc.so.6
[?1034h(gdb)
(gdb)
(gdb)
(gdb)
(gdb) bt full
#0  0x00007f0dfcdf15de in ?? () from /lib/libc.so.6
No symbol table info available.
#1  0x00007f0dfcd89592 in ?? () from /lib/libc.so.6
No symbol table info available.
#2  0x00007f0dfcd87961 in free () from /lib/libc.so.6
No symbol table info available.
#3  0x0000000000468112 in ?? ()
No symbol table info available.
#4  0x00000000004685f4 in ?? ()
No symbol table info available.
#5  0x000000000046a08f in CloseWellKnownConnections ()
No symbol table info available.
#6  0x00000000004629d9 in ?? ()
No symbol table info available.
#7  0x0000000000462bfe in FatalError ()
No symbol table info available.
#8  0x000000000045f90e in ?? ()
No symbol table info available.
#9  <signal handler called>
No symbol table info available.
#10 0x00007f0dfcd8515c in ?? () from /lib/libc.so.6
No symbol table info available.
#11 0x00007f0dfcd87460 in malloc () from /lib/libc.so.6
No symbol table info available.
#12 0x00007f0dfac6ecd4 in ?? () from /usr/lib/xorg/modules/libexa.so
No symbol table info available.
#13 0x00007f0dfac78cd6 in ?? () from /usr/lib/xorg/modules/libexa.so
No symbol table info available.
#14 0x000000000054d5e7 in miPolyRectangle ()
No symbol table info available.
#15 0x00000000004cebfb in ?? ()
No symbol table info available.
#16 0x000000000044f03e in ?? ()
No symbol table info available.
#17 0x0000000000452b01 in ?? ()
No symbol table info available.
#18 0x000000000042132e in _start ()
No symbol table info available.
(gdb) quit
A debugging session is active.

	Inferior 1 [process 3715] will be detached.

Quit anyway? (y or n) Detaching from program: /usr/bin/Xorg, process 3715